The Comp series are developed specifically for racing. Poc’s double lens construction has superior polymer materials as well as anti-fog and anti-scratch treatments.TECHNICAL SPECIFICATIONS:- Polycarbonate (PC) outer lens.- Cellulose propionate (CP) inner lens.- Anti-scratch and anti-fog treated.- Soft coated polyurethane (PU) frame.LENS SPECIFICATIONS:- Brown VLT 17%, CAT 3- Smokey Yellow VLT 42%, CAT 1- Clear VLT 85%, CAT 0IMPORTANT LENS COMPATIBILITY UPDATE:- As from Wheels 16 and Snow 16/17, all Poc Goggles and lenses will be 1,8 mm thick, for most models this means enhanced durability and a more robust lens attachment. For all versions of below goggles and lenses this also means an update of the lens attachment - For these models, old frames and lenses are incompatible with new frames and lenses. - All new lenses will have a + sign to ensure there is no confusion about whether you have an old or new version.In Poc quality and quantity assured Chicago we are dedicated to create high quality running & triathlon products which will make your activity comfortable. Are you interested in buying Poc Iris Comp lens 3 Pack Zeiss S? You are lucky, because at Poc quality and quantity assured Chicago in the Glasses catalogue and Accessories category, we offer other running & triathlon products that can complement your order. Place your order now and receive it in a few days.